When the [Plate Color] is set to transparent, a
Data Display and a Message Display will be placed on the front
layer and displayed overtop other objects. Too many objects in the
front layer may reduce the speed of the display's redrawing
speed.
For details on the Layer Separator, refer to the following.
21.9 About the
Layer Separator
When you use a Window screen in ST3000 series
and GP3200 series, select a color for [Plate Color] except a
transparent.
In ST3000 and GP3200 series models, the plate color cannot be
transparent.
When the plate color is set to transparent, a warning appears when
you save a project.